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Badcaps Capacitor & Electronics Repair Forum | ||||||
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All new members, PLEASE READ HERE FIRST! Posting only allowed by established members.
Topics: 45
Posts: 733
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45 | 733 | ||||
Announcements & Related News
Site announcements, capacitor-related news, and anything relavant you might think of... Got News? POST IT!!
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Document & Software Archive | ||||||
Common Parts Library - Datasheets
Share or download datasheets or application notes for electronic components and other parts. Contribute your knowledge or ask questions. Before using please read our Terms of Service.
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Posts: 3
Last Post:
ncp81208 datasheet
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1 | 3 | ||||
General Topics | ||||||
General Capacitor Questions & Issues
Questions and answers for identifying whether your device has bad capacitors. Also post general capacitor-related questions and issues here.
Topics: 3,177
Posts: 32,635
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Capacitance and voltage of tantalum?
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General Computer & Tech Discussion
Have just a general computer question, post it here. This can be anything from an OS issue, hardware issue not related to capacitors, upgrade question, or whatever basic tech-related issue is on your mind.... This is also a good place to share your tech projects!
Topics: 4,491
Posts: 74,776
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4,491 | 74,776 | ||||
Troubleshooting Hardware & Devices and Electronics Theory | ||||||
General Electronics Technical Discussion
If you have a general question concerning basic electronics theory or component function & usage, here's where it goes.
Topics: 3,959
Posts: 44,236
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Need help to identify IC
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3,959 | 44,236 | ||||
Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals
Technical discussions covering any type of desktop motherboard, video/graphics card, controller card, or whatever other desktop peripheral you need help with. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
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Evga Geforce GTX750TI beeping
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6,773 | 37,038 | ||||
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Troubleshooting & Designing Networks
Post your computer network questions, ideas, gripes, and so on in here. This can be any type of network, whether its cabled, wireless, or whatever. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 499
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Security camera linking remotely to NVR
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Troubleshooting Laptops, Tablets, and Mobile Devices
Technical discussions covering any type of laptop, notebook, netbook, tablet, or smartphone. Any and all brands and models welcome. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 31,659
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lenovo 13acnf
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31,659 | 301,043 | ||||
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Troubleshooting Computer Displays
Technical discussions covering any type of PC/computer display, whether it be CRT, LCD, or anything else. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 5,314
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Dell 2408WFPb / 2408WFP - No Power
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5,314 | 75,656 | ||||
Troubleshooting TVs and Video Sources
Technical questions about your defective television, projection screen, LCD/plasma, or any other type of video device. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 27,408
Posts: 374,132
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27,408 | 374,132 | ||||
Troubleshooting Power Supplies and Power Supply Design
Technical discussion for power supplies. This covers PC supplies, and any other related power supply issue. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 4,169
Posts: 65,139
Last Post:
T3D 21 - zener diode?
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4,169 | 65,139 | ||||
Troubleshooting Printers, Copiers, Scanners and other Imaging & Printing Devices
Technical questions about your defective laser or ink printer, plotter, copier, scanner, and other imaging & printing devices. This section also includes digital cameras. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 300
Posts: 1,661
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Hello Need DumpsFile for TS3150
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300 | 1,661 | ||||
Troubleshooting Audio Equipment
Technical discussion on audio equipment troubleshooting and installation. This can be anything from a home/car stereo, guitar amp, and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 2,309
Posts: 27,385
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2,309 | 27,385 | ||||
Troubleshooting Appliances and other Household Electronic Stuff
Technical discussion on household appliances & other household electrics & electronics; including troubleshooting and installation. This can be anything from a washer/dryer, dishwasher, microwave oven, other sordid kitchen electrics and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 220
Posts: 3,888
Last Post:
Kitchen AId dishwasher unresponsive
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220 | 3,888 | ||||
Troubleshooting Game Consoles & Other Weird Devices
This can be anything from game consoles to arcade games to anything else that doesn't really fit into any of the above categories. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!
Topics: 996
Posts: 10,836
Last Post:
XBOX ONE S - element identification
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996 | 10,836 | ||||
Equipment Usage, Soldering, Techniques, and Reviews
Technical discussions concerning soldering techniques, usage of test equipment, how it works, what's best, and some pointers in using it all.
Topics: 1,373
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1,373 | 19,313 |
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Badcaps Statistics
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Topics: 101,836
Posts: 1,264,485
Members: 490,006
Active Members: 16,312
Welcome to our newest member, haknet.
Latest Topics
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by fredyjbiplease help friends x1 yoga 7th no display beep melody thank you...
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Channel: BIOS Requests ONLY!
Today, 03:14 AM -
-
by Carl0s-Hi,
Sooo - our IT got a pile of old iPads that the sales guys have been mistreating. These are free for grabs if you want to try to get one working. Thought I'd give it a try - if I get at least some life to I can give to my kid to entertain during a car rides.
But the iPad it self - its a 5th gen cellular model. When I initially plug it in it was completely dead. It was not recognized by my Mac nor it started to charge. Disassembled it opened up the battery connector and checked the battery voltage. My multimeter showed 0,7v. Had a spare micro-usb charging board lying...04-15-2024, 12:51 PM -
by s_henyaHi got this cute GPU,
PC is powering on, GPU is getting power ~40deg
Cmos speaker is beeping.
other cards working fine on this build
tested the card on 2 other builds- same beep
visual inspection didn’t reveal any issues or missing components.
any test points?...Today, 12:25 AM -
by fuusEvening all,
Long time no post!
I have a UE49NU7100K here with the classic melted diffuser and damaged backlight from getting too hot. Locally there is a UE49MU6470 available which I could pick up to replace the melted diffuser. Would this work or am I missing something? They look like the same style of backlight.
If this sounds good, where is the best place to buy a new backlight? Will I regret buying from Aliexpress?
Thanks in advance for any help04-04-2024, 03:34 PM -
by jm1234Hi,
I'm looking at the power source module of my Panasonic plasma TV TX-P42ST50. The TV goes into suspended state almost immediately and keeps flashing 6 times.
That zener diode is marked on the board with the diode sign (D204), that much I know. It seems to be open completely in both directions and its legs seem dark, as if it suffered some heat.
I'm having trouble finding a replacement. Does 21 stand for 21V?
The only other clue I have it is connected across 2 of the legs of a transformer (primary side).
Any idea how to find a replacement?
Thanks
[URL=filedata/fetch?id=3252836&d=1713119993][ATTACH=JSON]{"alt":"Click...04-14-2024, 12:42 PM -
by hasefrochHello everyone, I got this notebook, mainboard SKITTL10-6050A273001-MB-A1
Saw the U6100 blown up, so didn't even try to power it up.
Sems that there is not a schematic or boardview of this one, so I attached some pictures (some look distorted; the ic looks like a qfn-16 3x3).
Maybe is the RT2790A; looks to me compatible but their product code is 3B= XX and mine is 38=
Hope someone knows this one.
Thanks in advance.4 PhotosToday, 06:29 AM -
by startrekHi I'm looking for working bios and ec for HP ProBook 455 G9, motherboard [I]DAX9SFMB8A0 REV:A[/I]Hi I'm looking for working bios and ec for HP ProBook 455 G9, motherboard [I]DAX9SFMB8A0 REV:A[/I]Hi I'm looking for working bios and ec for HP ProBook 455 G9, motherboard [I]DAX9SFMB8A0 REV:A[/I]
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Channel: BIOS Requests ONLY!
Yesterday, 08:38 AM -
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by mvilkhuTeam - Help identify SMD chip 38F on this system board from HP spectre - x360.04-10-2024, 03:10 PM
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by bigbootsNot sure if this is the correct place. I need to identify This IC id anyone could help please.
Kind Regards....04-14-2024, 12:33 PM -
by cap__"I heard that a blue LED has different voltage values than green and red ones. Green and red ones are easily replaceable, but how do I do that with the blue one?"
"I have to use the blue one, because green means fully charged and blue means charging."
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"20240415_172809.jpg","data-attachmentid":3253246}[/ATTACH]...04-15-2024, 09:59 AM
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by fredyjbiplease help friends x1 yoga 7th no display beep melody thank you...
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Channel: BIOS Requests ONLY!
Today, 03:14 AM -
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by trepachkaSee attached image. It says "X322" on it. This is a follow-up to my previous posted topic. The issue is upon lid closing, the screen turns off. When lid is opened, the screen remains dark.
This component is positioned right on the edge of the motherboard and has like a cradle made inside the case. I am assuming this component is used as a lid close sensor.
Please, help me identify it. Thank you....Yesterday, 03:26 PM -
by jimmy2022schematic required for lenovo 13acn5
yoga 7 series...-
Channel: Schematic Requests ONLY!
Today, 03:46 AM -
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by fredyjbiplease help friends clean me bios x1 yoga 7th no display melody beep, thank you
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Channel: BIOS Requests ONLY!
Today, 02:58 AM -
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by hasefrochHello everyone, I got this notebook, mainboard SKITTL10-6050A273001-MB-A1
Saw the U6100 blown up, so didn't even try to power it up.
Sems that there is not a schematic or boardview of this one, so I attached some pictures (some look distorted; the ic looks like a qfn-16 3x3).
Maybe is the RT2790A; looks to me compatible but their product code is 3B= XX and mine is 38=
Hope someone knows this one.
Thanks in advance.4 PhotosToday, 06:29 AM -
by magistertcKitchen Aid Superba KUDS series, installed 2001, similar/identical to Whirlpool -- live, but no Start and no response to button-press.
The reset sequence of pressing two buttons multiple times did not work, either. Cycled power, no go.
Power off, remove six screws (torx 7 heads) examine circuit board: Saw two 63V/100uf caps, two more 10V caps, all appeared normal. Mutiple color-coded wires to board,
got all disconnected, dismounted board from housing. ESR test showed that 63V caps had failed.
Jamicon 105 C TK series, 8D x 12. Replaced both with equivalent ...Starts04-17-2024Ends04-17-2024LocationKansas USAToday, 05:17 AM -
by s_henyaHi got this cute GPU,
PC is powering on, GPU is getting power ~40deg
Cmos speaker is beeping.
other cards working fine on this build
tested the card on 2 other builds- same beep
visual inspection didn’t reveal any issues or missing components.
any test points?...Today, 12:25 AM -
by Carl0s-Hi,
Sooo - our IT got a pile of old iPads that the sales guys have been mistreating. These are free for grabs if you want to try to get one working. Thought I'd give it a try - if I get at least some life to I can give to my kid to entertain during a car rides.
But the iPad it self - its a 5th gen cellular model. When I initially plug it in it was completely dead. It was not recognized by my Mac nor it started to charge. Disassembled it opened up the battery connector and checked the battery voltage. My multimeter showed 0,7v. Had a spare micro-usb charging board lying...04-15-2024, 12:51 PM -
by EazyBoneGot this massive TV and tested they backlights and they were out. Took it all apart and replaced them. Put it back together and boom they work! I then run it for many hours and all still working. I then needed to factory reset to pass on to next person and...
I factory reset and it shows Hisense logo fully lit up, then Google logo for a couple of seconds and forces shut off. Now that's all the TV does. Hisense, Google logo force shutoff. How is this possible.. anyone have some experience or advice for this. All I can think is somehow I got a software corruption which is ridiculous...04-15-2024, 07:31 AM -
by monitronI am working on a HP Pavilion 27-d0010nd that has dark screen. It appears that the backlight is not working.
Now i discovered that the backlight circuit is on the scalar board and has a burnt mosfet. (caused by a ceramic capacitor short).
If anybody can help me identify the partnumber it would be a very great help.
The board number is:
L76838-001
L99794-001
BigBen Scalar board.
[URL=filedata/fetch?id=3253797&d=1713275701][ATTACH=JSON]{"alt":"Click image for larger version Name:\tuhd-scalar-board-aio-hp-27.jpg...Yesterday, 07:53 AM